R1073 is a further development of the R1070. It is a 3-way spear in 7 x 10" size. Fits in the same mounting hole as a 6x9". Spearate crossover box for the lowpass bass driver unit. The tweeter and mid unit has an integrated crossover. Powerful 145 mm magnet system to create a powerful and dynamic sound in all installations. Polypropylene cone and rubber surround.